This command disables the Spanning Tree Protocol for a list of VLANs.

You may disable the Spanning Tree Protocol for a list of VLAN numbers.

VLAN numbers range from 1 to 1005.

VLAN numbers should be separated by commas or spaces. A VLAN number range may also be specified

Enter VLAN numbers: 1

Notice here we selected the management VLAN, VLAN 1.

Once you have configured STP and the Management VLAN you can see from the following output that only VLANs 2 through 64 are using the Spanning Tree Protocol:

Catalyst 1900 − Bridge − Spanning Tree Configuration

—————————————————————— Information ——————————————————

[S] VLAN spanning trees enabled

2−64

—————————————————————— Settings ———————————————————

[U] Uplink FastEnabled

[R] Uplink Fast Frame Generation rate 15

—————————————————————— Bridge Configuration —————————————

[1]Configuration option 1

[2]Configuration option 2

[3]Configuration option 3

[4]Configuration option 4

[O]VLAN bridge operating parameters

————————————————————— Actions ————————————————————

[E]Enable spanning tree(s) [D] Disable spanning tree(s)

[C] Uplink Fast statistics [X] Exit to previous menu

Related solution:

Found on page:

Enabling STP on a Set/Clear Command−Based

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